EVAP System Large Leak *

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Trouble Ticket Help Requests for DTC P0455

Help Request

Posted

2004 GMC Envoy SLE 4.2L MIL Lamp onP0455: EVAP System Large Leak Detected. Thank in advanced I have a 2004 envoy 4.2 lt, changed the
evap vent solenoid was sticking. Still have large leak
code. Tested wiring and have 12 volts on both wires key on
and engine running .With the scanner I can control ground
and shut the vent solenoid off...

2007 Audi A4 Quattro 2.0L MIL Lamp onVIN: WAUDF78E37P0455: large leak detected. Car has come in from a used car lot who sold it and now has
a customer wanting the cel and fuel gauge fixed. Also
wanted the gas cap missing warning fixed. I pulled the
driver side sender and found it broken at the top.
Installed a new one filled car to about ...